40 Years of Siebenrock – A Heartfelt Thank You!

 

Since 1985, the name Siebenrock has stood for quality, technical expertise, and genuine passion for classic BMW motorcycles.
Our success is built on continuous development, solid engineering knowledge,

and the ambition to create products that impress with functionality and durability.

  

A major milestone – and one we’d love to celebrate with you!

 

From July 4 to 16, 2025, enjoy a special anniversary discount on selected Siebenrock items in our online shop – it’s worth a look!

 

Or come see us in person at the BMW Motorrad Days in Garmisch-Partenkirchen, July 4–6, 2025.

Visit our stand and receive an exclusive anniversary gift – a little surprise from us to you!

 

 Your Siebenrock Team

 

While supplies last.

 

Jump to main content
Categories

Exhaust nut

BMW /5, /6 models
With long fins

Artikelbild
€29.50

Prices incl. VAT, plus shipping costs

Ready to ship today, Delivery time appr. 2-4 workdays within Germany

  • part no.: 1811270
Description Evaluations 0
Description
For fixing the manifold to the cylinder head. Price per piece. TIP Please order the suitable... more
Close menu
Exhaust nut
For fixing the manifold to the cylinder head.
Price per piece.

TIP
Please order the suitable clamping and pressure ring at the same time.
Clamping ring art.no. 1821586
Pressure ring art.no. 1821585.

Spare part for the classic BMW airhead models
R 50/5, R 60/5, R 75/5
R 60/6, R 75/6, R 90/6, R 90S.

Compare 18114090270 / 18-11-4-090-270

Information on product safety
Fits for BMW R2V: R 50/5, R 60/5, R 75/5, R 60/6, R 75/6, R 90/6, R 90S
Evaluations 0
Read, write and discuss reviews... more
Close menu
Customer evaluation for "Exhaust nut"
Write an evaluation
Evaluations will be activated after verification.

The fields marked with * are required.

Accessories 2 Customers also bought Customers also viewed
Accessories 2
Artikelbild Clamping ring
38mm
BMW 2-valve Boxer models

€11.95
Prices incl. VAT, plus shipping costs
Part no. 1821586
Artikelbild Pressure ring
Exhaust 38mm
BMW 2-vakve Boxer models

€9.90
Prices incl. VAT, plus shipping costs
Part no. 1821585
Customers also bought
Artikelbild Clamping ring
38mm
BMW 2-valve Boxer models

€11.95
Prices incl. VAT, plus shipping costs
Part no. 1821586
Artikelbild Pressure ring
Exhaust 38mm
BMW 2-vakve Boxer models

€9.90
Prices incl. VAT, plus shipping costs
Part no. 1821585
Artikelbild Exhaust star nut
BMW /7, Monoelver, Paralever models
With short fins
€37.20
Prices incl. VAT, plus shipping costs
Part no. 1821721
Artikelbild Valve cover gasket
BMW 2-valve Boxer models
€3.95
Prices incl. VAT, plus shipping costs
Part no. 1112426
Artikelbild Valve cover Classic
BMW 2-valve Boxer models
€44.00 €49.75
Prices incl. VAT, plus shipping costs
Part no. 1112240
Artikelbild Fuel tap
Right side
BMW 2-valve Boxer models

€49.50
Prices incl. VAT, plus shipping costs
Part no. 1612114
Artikelbild Cap nut stainless steel
BMW 2-valve Boxer models
For valve cover
€6.90
Prices incl. VAT, plus shipping costs
Part no. 1112330
Artikelbild Airfilter
Mahle
BMW 2-valve Boxer models up to 9/80
LX194
€13.25
Prices incl. VAT, plus shipping costs
Part no. 1372382
Artikelbild Fuel tap
Left side
BMW 2-valve Boxer models

€49.50
Prices incl. VAT, plus shipping costs
Part no. 1612113
Artikelbild Cylinder base gasket
Aluminium 99mm
BMW /5, /6, /7 models up to 9/80

€3.95
Prices incl. VAT, plus shipping costs
Part no. 1111001
Artikelbild Steering head bearing
BMW 2V Boxer, K 2V, K 4V, F models
€21.90
Prices incl. VAT, plus shipping costs
Part no. 0711070
Artikelbild Idle switch
For 5-speed gearbox
BMW 2v Boxer models from 9/75 on

€19.95
Prices incl. VAT, plus shipping costs
Part no. 6131097
Artikelbild Star Nut Wrench
BMW 2-valve Boxer models
In shop quality
€49.35
Prices incl. VAT, plus shipping costs
Part no. 1821699
Artikelbild Oilfilter Set
Mahle
BMW 2v Boxer models without oilcooler
OX37D two-piece
€14.25
Prices incl. VAT, plus shipping costs
Part no. 1142145
Artikelbild Exhaust Thread Cutting Tool
BMW 2-valve Boxer models
M52x2
€98.00
Prices incl. VAT, plus shipping costs
Part no. 1899270
Artikelbild Bearing wheel / swingarm
BMW 2V Boxer models
40x17x14
€21.90
Prices incl. VAT, plus shipping costs
Part no. 0711005
Artikelbild In-line fuel filter
Mahle
BMW 2-valve Boxer models
KL 13
€2.49
Prices incl. VAT, plus shipping costs
Part no. 1614013
Artikelbild Float
BING carburator 64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models
€21.15
Prices incl. VAT, plus shipping costs
Part no. 1311766
Artikelbild Bearing shell conrod
BMW 2v Boxer models
Standard sized
€9.99 €12.50
Prices incl. VAT, plus shipping costs
Part no. 1124460
Artikelbild Shift lever rubber
4-speed gearbox
BMW R 50/5, R 60/5, R 75/5
€4.90
Prices incl. VAT, plus shipping costs
Part no. 2341116
Artikelbild Swing Arm Boot
BMW 2-valve Boxer models
€19.95
Prices incl. VAT, plus shipping costs
Part no. 3317304
Artikelbild Pushrod tube seal
18mm
BMW 2v Boxer models from 9/75 on
€3.95
Prices incl. VAT, plus shipping costs
Part no. 1132995
Artikelbild Valve guide
BMW 2V Boxer models
Not for R 45 and R 65
€14.30
Prices incl. VAT, plus shipping costs
Part no. 1112708
Artikelbild Rubber mounts
Diode plate
BMW 2-valve Boxer models

€3.95
Prices incl. VAT, plus shipping costs
Part no. 1231131
Artikelbild Turn signal aluminium
Front, rear, left side, right side
BMW 2-valve Boxer models
€39.50
Prices incl. VAT, plus shipping costs
Part no. 6323179
Artikelbild Diode board
BMW 2v Boxer models
€79.90
Prices incl. VAT, plus shipping costs
Part no. 1231062
Artikelbild Cylinder gasket Set
From 9/1980 on
For Power Kit 1000cc, Replacement Kit
1000cc, BMW R 100 models from 9/80 on
€47.50
Prices incl. VAT, plus shipping costs
Part no. 1100101
Artikelbild Cross pipe
Chrome
BMW /5, /6, /7 models
€49.50
Prices incl. VAT, plus shipping costs
Part no. 1811638
Artikelbild Crankshaft seal
BMW 2-valve models
Rear
€21.95
Prices incl. VAT, plus shipping costs
Part no. 1111739
Artikelbild Oilfilter
Mahle
BMW 2v Boxer without oilcooler
OX35 one-piece
€9.80
Prices incl. VAT, plus shipping costs
Part no. 1142035
Artikelbild Paper gasket
For rear drive shaft housing
BMW2v Boxer models up to 9/84
€2.70
Prices incl. VAT, plus shipping costs
Part no. 3311098
Artikelbild Oil pan gasket
BMW 2-valve Boxer models
€6.95
Prices incl. VAT, plus shipping costs
Part no. 1113427
Artikelbild Fork tube seal
BMW 2-valve Boxer models
€6.95
Prices incl. VAT, plus shipping costs
Part no. 3142001
Artikelbild Valve Cover Retro
BMW 2v Boxer models
Black Semi-matt
€66.00 €89.90
Prices incl. VAT, plus shipping costs
Part no. 1112246
0758376_1 Silicone sealing compound
0.03 Liter (€495.00 / 1 Liter)
BMW 2V Boxer models
Drei Bond
Content 0.03 Liter (€495.00 * / 1 Liter)
€14.85
Prices incl. VAT, plus shipping costs
Part no. 0758376
Artikelbild Alternator rotor
New part
BMW 2-valve Boxer models

€114.65
Prices incl. VAT, plus shipping costs
Part no. 1231641
Artikelbild Breaker contact
With long wiring
BMW 2v Boxer models up to 9/78

€13.95
Prices incl. VAT, plus shipping costs
Part no. 1211555
Artikelbild Rubber driver footrest
Round version
BMW /5, /6 models

€9.80
Prices incl. VAT, plus shipping costs
Part no. 4671428
Artikelbild Float chamber gasket
BING carburator
64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models
€6.50
Prices incl. VAT, plus shipping costs
Part no. 1311764
Artikelbild Instrument housing Rubber ring
BMW 2v Boxer models
€12.95
Prices incl. VAT, plus shipping costs
Part no. 6211676
Customers also viewed
Artikelbild Power Kit Extra 1000cc 97mm
Plug & Play
BMW R 75/5, R 75/6, R 90/6 , R 90S up to 9/7
€999.00 €1,159.00
Prices incl. VAT, plus shipping costs
Part no. 1100072
Artikelbild Exhaust star nut
BMW /7, Monoelver, Paralever models
With short fins
€37.20
Prices incl. VAT, plus shipping costs
Part no. 1821721
Artikelbild Clamping ring
38mm
BMW 2-valve Boxer models

€11.95
Prices incl. VAT, plus shipping costs
Part no. 1821586
Artikelbild Power Kit 860cc
Plug & Play
BMW R 65 9/80 on, R 65LS, R 65 Monolever 48hp
€888.00 €1,069.00
Prices incl. VAT, plus shipping costs
Part no. 1100870
NEW
1814181_1 Manifold
Chrome
BMW R 80, R 100 Monolever models
Left side

€186.00
Prices incl. VAT, plus shipping costs
Part no. 1814181
NEW
Artikelbild Bearing shell connecting rod
+0,50 2.Oversize
BMW 2V Boxer models
€9.99 €12.50
Prices incl. VAT, plus shipping costs
Part no. 1124420
Artikelbild Valve Cover Retro
BMW 2v Boxer models
Black Semi-matt
€66.00 €89.90
Prices incl. VAT, plus shipping costs
Part no. 1112246
Artikelbild Power Kit 1000cc
Plug & Play
BMW R 80, R 80RT, R 80G/S, R 80ST, R 80GS, R 80R
€888.00 €1,049.00
Prices incl. VAT, plus shipping costs
Part no. 1100080
Artikelbild Silencer Set
38mm Chrome
BMW /6 und /7 models

€398.00
Prices incl. VAT, plus shipping costs
Part no. 1811214
Artikelbild Replacement Kit 1000cc
Plug & Play
BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
From 9/1980 on
€1,049.00
Prices incl. VAT, plus shipping costs
Part no. 1100100
Artikelbild Star Nut Wrench
BMW 2-valve Boxer models
In shop quality
€49.35
Prices incl. VAT, plus shipping costs
Part no. 1821699
Artikelbild Fuel tap
Straight Karcoma
BMW 2-valve Boxer models

€54.90
Prices incl. VAT, plus shipping costs
Part no. 1612557
3353110Y_1 Shock Set
BMW /5, /6 and /7 models
YSS Black edition
€389.00
Prices incl. VAT, plus shipping costs
Part no. 3353110Y
Artikelbild Fuel filler cap 101 style
BMW 2v Boxer models
€169.00
Prices incl. VAT, plus shipping costs
Part no. 5125119S
Artikelbild Valve Intake
34mm
BMW R 50/5
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134118
1131183_1 Chain tensioner Set
Simplex
BMW 2V Boxer models
€89.50
Prices incl. VAT, plus shipping costs
Part no. 1131183
Artikelbild Seat cover
BMW R 45, R 65
€89.00
Prices incl. VAT, plus shipping costs
Part no. 5253161
Artikelbild Valve exhaust
34mm
BMW R 65
7mm shaft
€48.50
Prices incl. VAT, plus shipping costs
Part no. 1134094
Artikelbild Valve Intake
38mm
BMW R 65
7mm shaft
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134092
Artikelbild Valve intake
40mm
BMW R 65, R 65LS, R 65GS
7mm shaft
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134903
Artikelbild Valve Intake
34mm
BMW R 45, R 65, R 65GS
7mm shaft
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134091
Artikelbild Valve exhaust
32mm
BMW R 45, R 65, R 65GS
7mm shaft
€38.50
Prices incl. VAT, plus shipping costs
Part no. 1134093
Artikelbild Pushrod tube seal
18mm
BMW 2v Boxer models from 9/75 on
€3.95
Prices incl. VAT, plus shipping costs
Part no. 1132995
Artikelbild Pushrod tube seal
BMW R 45 and R 65 models
€4.95
Prices incl. VAT, plus shipping costs
Part no. 1111090
Artikelbild Sport tappet, Cam follower
BMW 2-valve Boxer models
Wank
€129.90
Prices incl. VAT, plus shipping costs
Part no. 1133638
Artikelbild Conrod screw
ARP Racing
Siebenrock Big Bore Kit
€69.00
Prices incl. VAT, plus shipping costs
Part no. 1109004
Artikelbild Conrod
Siebenrock Big Bore Kit
151,0 mm
€272.00
Prices incl. VAT, plus shipping costs
Part no. 1109045
Artikelbild Silencer "Classic" Set
Chrome
BMW Monolever models
€398.00
Prices incl. VAT, plus shipping costs
Part no. 1811337
Artikelbild Silencer Set
40mm Chrome
BMW R 100S, R 100RS, R 100RT

€398.00
Prices incl. VAT, plus shipping costs
Part no. 1811215
Artikelbild Cylinder
Big Bore Kit "MAHLE"
98mm
€459.00
Prices incl. VAT, plus shipping costs
Part no. 1109010
Artikelbild Piston
Power Kit 1000cc
BMW 2-valve Boxer models
€229.00
Prices incl. VAT, plus shipping costs
Part no. 1100120
Artikelbild Asymmetrical camshaft Kit
BMW 2v Boxer models from 9/78 on
€429.00
Prices incl. VAT, plus shipping costs
Part no. 1131804
Artikelbild Replacement Kit 1000cc 99mm
Plug & Play
BMW R 100/7, R 100RS, R 100RT
Up to 9/1980
€1,069.00
Prices incl. VAT, plus shipping costs
Part no. 1100104
Artikelbild Power Kit 1000cc 99mm
Plug & Play
BMW R 75/6, R 75/7, R 80/7, R 90/6, R 90S
€888.00 €1,069.00
Prices incl. VAT, plus shipping costs
Part no. 1100084
1100103_1 Replacement Kit Extra 1000cc
Plug & Play
BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
From 09/180 on
€1,139.00
Prices incl. VAT, plus shipping costs
Part no. 1100103
Artikelbild Power Kit Extra 1000cc
Stainless steel push rod tubes
BMW R 80, R 80RT, R 80G/S, R 80ST, R 80GS, R 80R
€999.00 €1,139.00
Prices incl. VAT, plus shipping costs
Part no. 1100082
Artikelbild Valve cover Deluxe
BMW 2v Boxer
Polished
€89.90
Prices incl. VAT, plus shipping costs
Part no. 1112242
Artikelbild Valve cover Extra Touring
BMW 2v Boxer models
Oil filler opening and external screws
€119.90
Prices incl. VAT, plus shipping costs
Part no. 1112245
Artikelbild Valve Intake
38mm
BMW R 60/5, R 60/6, R 60/7
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134678
Artikelbild Valve Exhaust
34mm
BMW R 60/5, R 60/6, R 60/7
€48.50
Prices incl. VAT, plus shipping costs
Part no. 1134679
Viewed